public class PP23
{
public static void main(String[] args)
{
final float x =2.4f ;
final float y =1.2f;
float a;
double b;
double c;

a=x+y;
b=x-y;
c=x*y;
System.out.println(a);
System.out.println(b);
System.out.println(c);

}
}

